Measurement and Instrumentation The resistance in the circuit of the moving coil of a dynamometer wattmeter should be None of the listed here High Low Almost zero None of the listed here High Low Almost zero ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The effect of stray magnetic fields on the actuating torque of a portable instrument is maximum when the operating field of the instrument and stray fields are inclined at 30o. perpendicular. parallel. inclined at 60o. inclined at 30o. perpendicular. parallel. inclined at 60o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation On a simple ohmmeter, the 0 Ω mark is _______ of the scale. In the middle Far right Far left None of the listed here In the middle Far right Far left None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The pressure coil of a wattmeter should be connected on the supply side of the current coil when None of these Load impedance is low Supply voltage is low Load impedance is high None of these Load impedance is low Supply voltage is low Load impedance is high ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For power measurement of three phase circuit by two wattmeter method, when the value of power factor is less than 0.5 lagging One of the wattmeter connections will have to be reversed One of the wattmeters will read zero Both give the same readings Pressure coil of the wattmeter will become ineffective. One of the wattmeter connections will have to be reversed One of the wattmeters will read zero Both give the same readings Pressure coil of the wattmeter will become ineffective. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In which of the transformer is the secondary nearly short circuited under normal operating condition? PT. Distribution transformer. CT. Power transformer. PT. Distribution transformer. CT. Power transformer. ANSWER DOWNLOAD EXAMIANS APP